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RE: Motor Oil Changing

This is about one week late because I was on the road. There is an
excellent paper on the subject on out Web site, shown below my signature
line. From our site click on "Search Site". Type in oil. Look for the
fact sheet entitled "Eliminating Vehicle oil changes....." and open it

Rudy Moehrbach
Waste Reduction Resource Center
P.O. Box 29569, Raleigh, NC USA
Tel 1-800-476-8686, FAX 919-715-1612
Web http://www.p2pays.org/wrrc/

> -----Original Message-----
> From:	Robert Gamble (412) 442-4062 [SMTP:GAMBLE.ROBERT@a1.pader.gov]
> Sent:	Wednesday, May 06, 1998 3:12 PM
> To:	p2tech@great-lakes.net
> Cc:	rgamble@cobweb.net
> Subject:	Motor Oil Changing
> Sensitivity:	Confidential
> A water authority with a fleet of 125 vehicles is looking 
> for information on cost effective alternatives to changing
> motor oil on a time/mileage basis.  I have heard that there
> are labs that will analyze oils for this purpose but that it
> is not cost effective for vehicles smaller than locomotives.  
> Is this true and/or are there vendors of materials for on-site
> testing? 
> A protocol for simple indicator tests of critical contaminants
> could be a means to significantly extending the life of the 
> lubricants without risk to the machinery. The appropriate 
> simplified test methods could give a fleet manager the ability 
> to reduce waste and better protect the equipment.
> It appears that motor oil, engine, and filtration technology 
> has progressed without influence on the auto manufacturers 
> recommended oil change intervals.  What other product do we 
> so routinely dispose of without any real indication that its
> performance has diminished?
> Any information appreciated.
> Bob Gamble
> gamble.robert@a1.dep.state.us
> 412-442-4345